Home / 257,391,123,254.90-355,199,808,070.30-141,647,882,889.23

Finding the Fourth Proportional to 257,391,123,254.90, 355,199,808,070.30 and 141,647,882,889.23

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Solution

The fourth proportional to 257,391,123,254.90, 355,199,808,070.30 and 141,647,882,889.23 is: 195,474,110,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,391,123,254.90 : 355,199,808,070.30 = 141,647,882,889.23 : x
  2. Step 2: Convert to fraction form
    257,391,123,254.90/355,199,808,070.30 = 141,647,882,889.23/x
  3. Step 3: Cross multiply
    257,391,123,254.90x = 355,199,808,070.30 × 141,647,882,889.23
  4. Step 4: Simplify right side
    257,391,123,254.90x = 50,313,300,815,818,826,711,040
  5. Step 5: Solve for x
    x = 50,313,300,815,818,826,711,040/257,391,123,254.90
  6. Step 6: Final answer
    x = 195,474,110,293.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.